15857490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1657}}^1$

素因数の和:1707

約数の個数: 64

約数和(自身を含む): 42975360

約数和(自身を除く): 27117870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1657, 1914, 3190, 3314, 4785, 4971, 8285, 9570, 9942, 16570, 18227, 24855, 36454, 48053, 49710, 54681, 91135, 96106, 109362, 144159, 182270, 240265, 273405, 288318, 480530, 528583, 546810, 720795, 1057166, 1441590, 1585749, 2642915, 3171498, 5285830, 7928745, 15857490]

約数ペア:

[(1, 15857490), (2, 7928745), (3, 5285830), (5, 3171498), (6, 2642915), (10, 1585749), (11, 1441590), (15, 1057166), (22, 720795), (29, 546810), (30, 528583), (33, 480530), (55, 288318), (58, 273405), (66, 240265), (87, 182270), (110, 144159), (145, 109362), (165, 96106), (174, 91135), (290, 54681), (319, 49710), (330, 48053), (435, 36454), (638, 24855), (870, 18227), (957, 16570), (1595, 9942), (1657, 9570), (1914, 8285), (3190, 4971), (3314, 4785)]